TY - RPRT TI - Aged mice exhibit faster acquisition of intravenous opioid self-administration with variable effects on intake AU - Sharpe, A. L. AU - Liter, L. R. AU - Donohue, D. AU - Carter, K. A. AU - Vangeneugden, P. AU - Weaver, S. AU - Stout, M. AU - Beckstead, M. J. PY - 2024 DO - 10.1101/2024.09.03.611052 UR - https://www.biorxiv.org/content/10.1101/2024.09.03.611052v1 ID - 10.1101/2024.09.03.611052 ER -